A new and complete set of traverse tables shewing the differences of latitude and the departures to every minute of the quadrant; and to five places of decimals; together with a table of the lengths of each degree of latitude and corresponding degree of longitude from the equator to the poles with other tables useful to the surveyor and civil engineer. - Boileau, J. T. ( John Theophilus) ( 1805-1886.) (Adam Greenwell, 1904)